Streets perform a necessary function in the life of cities, like the arteries of a complex, urban organism. As the Project for Public Spaces notes, city streets “animate the social and economic life of communities” by serving as primary sites ...

Cities contribute 70 percent of the world’s energy-related greenhouse gas emissions and play an essential role in climate change mitigation. However, since average global temperatures are already rising and the effects of climate change are becoming increasingly palpable around the world, ...

Like many DIY, post-recession movements that have sprung up in the past few years, tactical urbanism is human-centered and empowering. At its core, it’s about people making the city work for them. Rather than relying on governmental actors, the tactical ...

International Women’s Day is on March 8, 2015, and this year’s theme is “Make It Happen.” Nowhere do women make it happen more than they do in cities. In cities all around the world, women are working to improve the ...

Last week, over 4,000 people gathered for the fourth World Bicycle Forum. This citizen-driven event was created by bike activists in Porto Alegre, Brazil after a car plowed through a group of bikers at a critical mass event in March ...

Cities around the world face many challenges to their cleanliness and environmental sustainability, including rising greenhouse gas emissions, unsanitary public spaces, foul odors, growing energy demand, low recycling rates, and limited space. Most people wouldn’t think of trash as a ...